Removal of drag window to user tray icon functionality

ash/system/tray/system_tray.cc

Index: ash/system/tray/system_tray.cc
diff --git a/ash/system/tray/system_tray.cc b/ash/system/tray/system_tray.cc
index ebb5e68a82797030feaa6920f6b8d4f3856988e9..0bb523d5fff404092cffa07c5e574b61ce919f7c 100644
--- a/ash/system/tray/system_tray.cc
+++ b/ash/system/tray/system_tray.cc
@@ -164,11 +164,9 @@ void SystemTray::CreateItems(SystemTrayDelegate* delegate) {
   ash::Shell* shell = ash::Shell::GetInstance();
   int maximum_user_profiles =
           shell->session_state_delegate()->GetMaximumNumberOfLoggedInUsers();
-  for (int i = 0; i < maximum_user_profiles; i++) {
-    internal::TrayUser* tray_user = new internal::TrayUser(this, i);
-    AddTrayItem(tray_user);
-    user_items_.push_back(tray_user);
-  }
+  for (int i = 0; i < maximum_user_profiles; i++)
+    AddTrayItem(new internal::TrayUser(this, i));
+
   if (maximum_user_profiles > 1) {
     // Add a special double line separator between users and the rest of the
     // menu if more then one user is logged in.
@@ -241,10 +239,6 @@ const std::vector<SystemTrayItem*>& SystemTray::GetTrayItems() const {
   return items_.get();
 }
 
-const std::vector<internal::TrayUser*>& SystemTray::GetTrayUserItems() const {
-  return user_items_;
-}
-
 void SystemTray::ShowDefaultView(BubbleCreationType creation_type) {
   ShowDefaultViewWithOffset(
       creation_type,
@@ -686,11 +680,6 @@ views::View* SystemTray::GetTrayItemViewForTest(SystemTrayItem* item) {
   return it == tray_item_map_.end() ? NULL : it->second;
 }
 
-void SystemTray::AddTrayUserItemForTest(internal::TrayUser* tray_user) {
-  AddTrayItem(tray_user);
-  user_items_.push_back(tray_user);
-}
-
 internal::TrayDate* SystemTray::GetTrayDateForTesting() const {
   return tray_date_;
 }